Luk, Justin
Current rating: 1492
Record: 7-8
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 331 | Murch, Andrew (1716) | Lost 1-2 | -151547 |
| 4legacy | 361 | Russell, Tyler (1506) | Lost 0-2 | -191528 |
| 5legacy | 552 | Miller, Raymond (1468) | Lost 1-2 | -191509 |
| 6legacy | 3011 | McCann, Barbara (1331) | Won 2-1 | +151524 |
| 7legacy | 364 | Anderson, Joseph (1505) | Lost 1-2 | -191505 |
| 8legacy | 364 | Davalos, Dante (1780) | Lost 1-2 | -131492 |
| average opponent: 1551record: 1-5 | new rating: 1492 | |||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 236 | Holtan, Spencer (1438) | Won 2-0 | +171517 |
| 2modern | 230 | Leonard, Tyson (1517) | Lost 1-2 | -181499 |
| 3modern | 310 | Wong, Charles (1432) | Won 2-0 | +171516 |
| 4modern | 288 | Schapals, Ryan (1518) | Won 2-1 | +181534 |
| 5modern | 167 | Pragnell, Mike (1484) | Won 2-0 | +171551 |
| 6modern | 89 | Swailes, Michael (1773) | Won 2-0 | +221573 |
| 7modern | 75 | Fung, Jeff (1733) | Lost 1-2 | -151558 |
| 8modern | 123 | Bemrose, Ryan (1847) | Lost 0-2 | -131545 |
| 9modern | 112 | Dalrymple, Trevor (1488) | Won 2-0 | +171562 |
| average opponent: 1581record: 6-3 | new rating: 1562 | |||